package com.sky.mapper;

import com.github.pagehelper.Page;
import com.sky.anno.AutoFill;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.enumeration.OperationType;
import com.sky.vo.DishVO;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Options;
import org.apache.ibatis.annotations.Select;

import java.util.List;

@Mapper
public interface DishMapper {

    /**
     * 根据分类id查询菜品数量
     * @param categoryId
     * @return
     */
    @Select("select count(id) from dish where category_id = #{categoryId}")
    Integer countByCategoryId(Long categoryId);


    @Options(useGeneratedKeys = true,keyProperty = "id") //插入的数据返回主键id
    @Insert("insert into dish (name, category_id, price, image, description,status," +
            "create_time,update_time,create_user,update_user)" +
            "VALUES (#{name}, #{categoryId}, #{price}, #{image}, #{description}, #{status}," +
            "#{createTime},#{updateTime},#{createUser},#{updateUser})")
    @AutoFill(value = OperationType.INSERT)
    void addDish(Dish dish);

    Page<DishVO> dishPage(DishPageQueryDTO dishPageQueryDTO);

    DishVO getDishById(Long id);

    @AutoFill(OperationType.UPDATE)
    void editDish(Dish dish);

    void deleteDish(List<Long> ids);

    List<Dish> list(Dish dish);

    /**
     * 根据套餐id查询菜品
     * @param setmealId
     * @return
     */
    @Select("select a.* from dish a left join setmeal_dish b on a.id = b.dish_id where b.setmeal_id = #{setmealId}")
    List<Dish> getBySetmealId(Long setmealId);
}
